鱼 (Ｅｎｇｒａｕｌｉｓｊａｐｏｎｉｃｕｓ)是一种集群性强、昼夜垂直移动明显的中上层小型鱼类。我国东黄海区鱼资源丰富 ,渔场广阔。 80年代以前 ,因鱼属于低值小型鱼类 ,其资源并未引起人们高度重视 ,仅作为部分拖网、定置网等渔具兼捕对象。进入 90年代 ,随着主要传 Engraulisjaponicus is a mid-pelagic small-sized fish that has strong colonization and moves vertically day and night. China’s eastern Yellow Sea mackerel is rich in resources, vast fisheries. Prior to the 1980s, due to the low-value small anchovy fish, its resources did not attract people’s attention, only as part of trawling, set fishing nets and other fishing gear. Into the 90’s, along with the main pass